Bochum

Bochum
Baukem (Westphalian)
Bochum Skyline, German Mining Museum, Zeiss Planetarium Bochum, Schauspielhaus Bochum, Bochum Kammerspiele
Location of Bochum
Bochum
Bochum
Coordinates: 51°28′55″N 07°12′57″E / 51.48194°N 7.21583°E / 51.48194; 7.21583
CountryGermany
StateNorth Rhine-Westphalia
Admin. regionArnsberg
DistrictUrban district
Government
  Lord mayor (202025) Thomas Eiskirch (SPD)
Area
  City
145.4 km2 (56.1 sq mi)
Population
 (2023-12-31)
  City
357,024
  Density2,500/km2 (6,400/sq mi)
  Metro
5,166,484
Time zoneUTC+01:00 (CET)
  Summer (DST)UTC+02:00 (CEST)
Postal codes
44701-44894
Dialling codes0234, 02327
Vehicle registrationBO, WAT
Websitewww.bochum.de

Bochum (/ˈbxʊm/, BOHKH-uum; US: /-əm/ -əm; German: [ˈboːxʊm] ; Westphalian: Baukem) is a city in North Rhine-Westphalia. With a population of 372,348 (April 2023), it is the sixth-largest city (after Cologne, Düsseldorf, Dortmund, Essen and Duisburg) in North Rhine-Westphalia, the most populous German federal state, and the 16th-largest city in Germany. On the Ruhr Heights (Ruhrhöhen) hill chain, between the rivers Ruhr to the south and Emscher to the north (tributaries of the Rhine), it is the second largest city of Westphalia after Dortmund, and the fourth largest city of the Ruhr after Dortmund, Essen and Duisburg. It lies at the centre of the Ruhr, Germany's largest urban area, in the Rhine-Ruhr Metropolitan Region, the second biggest metropolitan region by GDP in the European Union, and belongs to the region of Arnsberg. There are nine institutions of higher education in the city, most notably the Ruhr University Bochum (Ruhr-Universität Bochum), one of the ten largest universities in Germany, and the Bochum University of Applied Sciences (Hochschule Bochum).